./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3701647423 <...> Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts. execve("./syz-executor3701647423", ["./syz-executor3701647423"], 0x7ffd941d9610 /* 10 vars */) = 0 brk(NULL) = 0x555571ee8000 brk(0x555571ee8d00) = 0x555571ee8d00 arch_prctl(ARCH_SET_FS, 0x555571ee8380) = 0 set_tid_address(0x555571ee8650) = 5778 set_robust_list(0x555571ee8660, 24) = 0 rseq(0x555571ee8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3701647423", 4096) = 28 getrandom("\xda\x2d\x11\xc0\x3e\x2a\xce\x08", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571ee8d00 brk(0x555571f09d00) = 0x555571f09d00 brk(0x555571f0a000) = 0x555571f0a000 mprotect(0x7fd2cfe82000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571ee8650) = 5779 ./strace-static-x86_64: Process 5779 attached [pid 5779] set_robust_list(0x555571ee8660, 24) = 0 [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5779] setpgid(0, 0) = 0 [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5779] write(3, "1000", 4) = 4 [pid 5779] close(3) = 0 [pid 5779] write(1, "executing program\n", 18) = 18 [pid 5779] memfd_create("syzkaller", 0) = 3 [pid 5779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd2c7800000 [pid 5779] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5779] munmap(0x7fd2c7800000, 138412032) = 0 [pid 5779] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5779] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5779] close(3) = 0 [pid 5779] close(4) = 0 [pid 5779] mkdir("./file1", 0777) = 0 [ 207.913226][ T5779] loop0: detected capacity change from 0 to 32768 [ 208.065266][ T5779] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 208.082354][ T5779] bcachefs (loop0): initializing new filesystem [ 208.095038][ T5779] bcachefs (loop0): going read-write [ 208.105745][ T5779] bcachefs (loop0): marking superblocks [ 208.135728][ T5779] ===================================================== [ 208.143302][ T5779] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 208.150634][ T5779] rw_aux_tree_set+0x4d2/0x580 [ 208.155791][ T5779] rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.161561][ T5779] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.167762][ T5779] bch2_bset_insert+0x1621/0x19f0 [ 208.173101][ T5779] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.179081][ T5779] bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.185191][ T5779] __bch2_trans_commit+0xaf5e/0xd190 [ 208.190700][ T5779] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 208.197250][ T5779] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.203088][ T5779] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.209291][ T5779] bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.214935][ T5779] bch2_fs_initialize+0x19bd/0x35d0 [ 208.220349][ T5779] bch2_fs_start+0x77d/0xbd0 [ 208.225367][ T5779] bch2_fs_get_tree+0x13ea/0x22d0 [ 208.230631][ T5779] vfs_get_tree+0xb1/0x5a0 [ 208.235357][ T5779] do_new_mount+0x71f/0x15e0 [ 208.240151][ T5779] path_mount+0x742/0x1f10 [ 208.244968][ T5779] __se_sys_mount+0x722/0x810 [ 208.250107][ T5779] __x64_sys_mount+0xe4/0x150 [ 208.255089][ T5779] x64_sys_call+0x39bf/0x3c30 [ 208.260003][ T5779] do_syscall_64+0xcd/0x1e0 [ 208.264884][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.271020][ T5779] [ 208.273607][ T5779] Uninit was created at: [ 208.278188][ T5779] ___kmalloc_large_node+0x22c/0x370 [ 208.283929][ T5779] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 208.289927][ T5779] __kmalloc_node_noprof+0xc96/0x1250 [ 208.295692][ T5779] __kvmalloc_node_noprof+0xc0/0x2d0 [ 208.301205][ T5779] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 208.307390][ T5779] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 208.313317][ T5779] bch2_fs_open+0x4d3a/0x5b40 [ 208.318198][ T5779] bch2_fs_get_tree+0x983/0x22d0 [ 208.323418][ T5779] vfs_get_tree+0xb1/0x5a0 [ 208.328090][ T5779] do_new_mount+0x71f/0x15e0 [ 208.333023][ T5779] path_mount+0x742/0x1f10 [ 208.337652][ T5779] __se_sys_mount+0x722/0x810 [ 208.342529][ T5779] __x64_sys_mount+0xe4/0x150 [ 208.347858][ T5779] x64_sys_call+0x39bf/0x3c30 [ 208.352861][ T5779] do_syscall_64+0xcd/0x1e0 [ 208.357551][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.363757][ T5779] [ 208.366218][ T5779] CPU: 0 UID: 0 PID: 5779 Comm: syz-executor370 Not tainted 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0 [ 208.378249][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 208.388920][ T5779] ===================================================== [ 208.396138][ T5779] Disabling lock debugging due to kernel taint [ 208.402461][ T5779] Kernel panic - not syncing: kmsan.panic set ... [ 208.408989][ T5779] CPU: 0 UID: 0 PID: 5779 Comm: syz-executor370 Tainted: G B 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0 [ 208.421768][ T5779] Tainted: [B]=BAD_PAGE [ 208.426000][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 208.436176][ T5779] Call Trace: [ 208.439549][ T5779] [ 208.442589][ T5779] dump_stack_lvl+0x216/0x2d0 [ 208.447682][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.454357][ T5779] dump_stack+0x1e/0x24 [ 208.458748][ T5779] panic+0x4e2/0xcf0 [ 208.462804][ T5779] ? kmsan_get_metadata+0x81/0x1c0 [ 208.468068][ T5779] kmsan_report+0x2c7/0x2d0 [ 208.472717][ T5779] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 208.478710][ T5779] ? __msan_warning+0x95/0x120 [ 208.483634][ T5779] ? rw_aux_tree_set+0x4d2/0x580 [ 208.488757][ T5779] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.494693][ T5779] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.500846][ T5779] ? bch2_bset_insert+0x1621/0x19f0 [ 208.506334][ T5779] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.512496][ T5779] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.518711][ T5779] ? __bch2_trans_commit+0xaf5e/0xd190 [ 208.524347][ T5779] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 208.531027][ T5779] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.536814][ T5779] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.543229][ T5779] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.548834][ T5779] ? bch2_fs_initialize+0x19bd/0x35d0 [ 208.554463][ T5779] ? bch2_fs_start+0x77d/0xbd0 [ 208.559442][ T5779] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 208.564864][ T5779] ? vfs_get_tree+0xb1/0x5a0 [ 208.569636][ T5779] ? do_new_mount+0x71f/0x15e0 [ 208.574574][ T5779] ? path_mount+0x742/0x1f10 [ 208.579300][ T5779] ? __se_sys_mount+0x722/0x810 [ 208.584278][ T5779] ? __x64_sys_mount+0xe4/0x150 [ 208.589260][ T5779] ? x64_sys_call+0x39bf/0x3c30 [ 208.594299][ T5779] ? do_syscall_64+0xcd/0x1e0 [ 208.599159][ T5779] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.605458][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.611484][ T5779] ? filter_irq_stacks+0x164/0x1a0 [ 208.616782][ T5779] ? stack_depot_save_flags+0x2c/0x750 [ 208.622474][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.627834][ T5779] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 208.634427][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.639790][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.645804][ T5779] __msan_warning+0x95/0x120 [ 208.650556][ T5779] rw_aux_tree_set+0x4d2/0x580 [ 208.655470][ T5779] ? bset_aux_tree_verify+0x44d/0x4a0 [ 208.660990][ T5779] rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.666696][ T5779] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.672660][ T5779] ? bch2_bkey_pack_key+0x1745/0x1860 [ 208.678272][ T5779] bch2_bset_insert+0x1621/0x19f0 [ 208.683433][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.689048][ T5779] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.695041][ T5779] ? __msan_memcpy+0x108/0x1c0 [ 208.700006][ T5779] bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.705995][ T5779] __bch2_trans_commit+0xaf5e/0xd190 [ 208.711473][ T5779] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 208.717884][ T5779] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 208.725267][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.730600][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.736586][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.741920][ T5779] ? kmsan_internal_set_shadow_origin+0x10/0x100 [ 208.748433][ T5779] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.754121][ T5779] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.760286][ T5779] bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.765833][ T5779] bch2_fs_initialize+0x19bd/0x35d0 [ 208.771204][ T5779] ? kmsan_internal_poison_memory+0x49/0x90 [ 208.777269][ T5779] ? kmsan_slab_free+0xd0/0x140 [ 208.782286][ T5779] ? kfree+0x240/0xdb0 [ 208.786500][ T5779] ? bch2_printbuf_exit+0x9b/0xd0 [ 208.791715][ T5779] ? print_mount_opts+0x4ca/0x4f0 [ 208.796973][ T5779] ? bch2_fs_start+0x59/0xbd0 [ 208.801841][ T5779] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 208.807242][ T5779] ? vfs_get_tree+0xb1/0x5a0 [ 208.811991][ T5779] ? do_new_mount+0x71f/0x15e0 [ 208.816883][ T5779] ? path_mount+0x742/0x1f10 [ 208.821593][ T5779] ? __se_sys_mount+0x722/0x810 [ 208.826597][ T5779] ? __x64_sys_mount+0xe4/0x150 [ 208.831637][ T5779] ? x64_sys_call+0x39bf/0x3c30 [ 208.836675][ T5779] ? do_syscall_64+0xcd/0x1e0 [ 208.841484][ T5779] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.847733][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.853103][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.859105][ T5779] ? kfree+0x1a7/0xdb0 [ 208.863327][ T5779] ? filter_irq_stacks+0x60/0x1a0 [ 208.868515][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.873868][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.879204][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.885181][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.890532][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.895974][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.902011][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.907434][ T5779] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 208.914032][ T5779] ? llist_reverse_order+0x102/0x130 [ 208.919491][ T5779] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 208.925843][ T5779] ? __closure_wake_up+0x16a/0x180 [ 208.931174][ T5779] bch2_fs_start+0x77d/0xbd0 [ 208.936032][ T5779] bch2_fs_get_tree+0x13ea/0x22d0 [ 208.941277][ T5779] vfs_get_tree+0xb1/0x5a0 [ 208.945901][ T5779] ? mount_capable+0x97/0x120 [ 208.950742][ T5779] do_new_mount+0x71f/0x15e0 [ 208.955549][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.960902][ T5779] path_mount+0x742/0x1f10 [ 208.965471][ T5779] ? user_path_at+0x374/0x3e0 [ 208.970435][ T5779] __se_sys_mount+0x722/0x810 [ 208.975280][ T5779] __x64_sys_mount+0xe4/0x150 [ 208.980115][ T5779] x64_sys_call+0x39bf/0x3c30 [ 208.985030][ T5779] do_syscall_64+0xcd/0x1e0 [ 208.989716][ T5779] ? clear_bhb_loop+0x25/0x80 [ 208.994648][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 209.000755][ T5779] RIP: 0033:0x7fd2cfe0b06a [ 209.005352][ T5779] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 209.025252][ T5779] RSP: 002b:00007ffd7f9133a8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 209.033833][ T5779] RAX: ffffffffffffffda RBX: 00007ffd7f9133c0 RCX: 00007fd2cfe0b06a [ 209.041934][ T5779] RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007ffd7f9133c0 [ 209.050042][ T5779] RBP: 0000000000000010 R08: 00007ffd7f913400 R09: 00000000000059ec [ 209.058167][ T5779] R10: 0000000000000010 R11: 0000000000000282 R12: 0000000000000004 [ 209.066279][ T5779] R13: 00007ffd7f913400 R14: 0000000000000003 R15: 0000000001000000 [ 209.074395][ T5779] [ 209.077809][ T5779] Kernel Offset: disabled [ 209.082227][ T5779] Rebooting in 86400 seconds..